This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 148 |
| 2 | 21904 |
| 3 | 1082738 |
| 4 | 24527068 |
| 5 | 340038574 |
| 6 | 3437215802 |
| 7 | 28017383049 |
| 8 | 195114520747 |
| 9 | 1200776938428 |
| 10 | 6667000031694 |
| 11 | 33855136108849 |
| 12 | 158770607250059 |
| 13 | 692749181797191 |
| 14 | 2828862453161793 |
| 15 | 10864955922680147 |
| 16 | 39417487036715031 |